Go to Start Menu and type cmd > right click > Run as Administrator (on the bottom of the menu) How To Disable Hibernation or Delete the hiberfil.sys In Windows 8 The size of the hiberfil.sys is the size of your memory, if you never plan to put your computer into hibernation than it’s probably a good idea to disable and gain all the disk space back. If you look close you will find a file named hiberfil.sys in your root system partition. Upon installing Windows 8, by default, Windows will allocate an equivalent amount of your system’s RAM to it’s disk. In terms of hibernation Windows 8 is no different than Windows 7 or any previous predecessors.
